#### Answer

$x=-2,12$

#### Work Step by Step

When taking the square root of a number, you get a positive and a negative answer.
$(x-5)^2=49$
$x-5=7$
$x=12$
or
$x-5=-7$
$x=-2$.
So
$x=-2,12$

Published by
Brooks Cole

ISBN 10:
0-53449-636-9

ISBN 13:
978-0-53449-636-4

$x=-2,12$

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